@misc{cryptoeprint:2007:190,
    author = {Tian Yuan},
    title = {Some General Results on Chosen-ciphertext Anonymity in Public-key Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2007/190},
    year = {2007},
    url = {http://eprint.iacr.org/2007/190},
}